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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

Energy Management Strategy and Control Laws of An Inverse Differential Gear Hybrid Vehicle

Vehicle Engineering Department, National Pingtung Univ. of Science and Technology, 1, Shuefu Road, Neipu, Pingtung 912, Taiwan
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World Electr. Veh. J. 2010, 4(1), 98-103; https://doi.org/10.3390/wevj4010098
Published: 26 March 2010
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Abstract

This paper presents the Energy Management Strategy (EMS) and control laws of an inverse differential gear hybrid vehicle and also the simulation results for the dynamics response and performance of the system. In the system, an engine and a motor/generator are attached to the side gears individually and the power is transmitted through plenary gear to ECVT. By regulating the gear ratio of ECVT and the power outputs between engine and motor/generator, desired system dynamics can be achieved. The goal is to control the system dynamics such that the engine dynamics can be fixed at an optimal operation point while meeting the driver desire of vehicle speed in hybrid operation. While in pure engine or pure motor or brake regeneration modes, optimal gear ratio and engine operation or motor/generator operation to achieve fuel efficiency are the goal of the control laws. Simulation results show that the fuel consumption can be reduced to half of the original engine driven vehicle. Similar improvements can also be found in the performance of CO, HC, and NOx emission.
Keywords: Hybrid vehicle; Energy management strategy; Dynamics simulation Hybrid vehicle; Energy management strategy; Dynamics simulation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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LIN, C.-F.; CHUANG, Y. Energy Management Strategy and Control Laws of An Inverse Differential Gear Hybrid Vehicle. World Electr. Veh. J. 2010, 4, 98-103.

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